NGO News Desk :: Outdoor air pollution has become the fifth largest killer in India after high blood pressure, indoor air pollution, tobacco smoking, and poor nutrition – says a new set of findings of the Global Burden of Disease report. The India and South Asia-specific findings were officially released here today at a Dialogue Workshop jointly organised by Centre for Science and Environment (CSE), Indian Council of Medical Research and the US-based Health Effects Institute.

The Global Burden of Disease (GBD) report is a world-wide initiative involving the World Health Organization which tracks deaths and illnesses from all causes across the world every 10 years. The new findings were released by Aaron Cohen, principal epidemiologist of the Health Effects Institute and co-chair of the GBD Ambient Air Pollution Expert Group.

The report says that about 620,000premature deaths occur in India from air pollution-related diseases. GBD has ranked air pollution as one of the top 10 killers in the world, and the sixth most dangerous killer in South Asia. In fact, particulate air pollution is now just three places behind indoor air pollution, which is the second highest killer in India. “This is a shocking and deeply disturbing news. This calls for urgent and aggressive action to protect public health,” said Sunita Narain, director general, CSE.

Daniel Greenbaum, president and Robert O Keefe, vice president, Health Effects Institute, also shared the findings of the GBD assessment.

The India-specific analysis has been done using estimates of air pollution exposure at the national level and incidence of leading causes of deaths, aided by ground-level measurements, satellite remote sensing and models to capture population exposure. The GBD assessment follows a rigorous scientific process involving over 450 global experts and partner institutions including the Institute of Health Metrics and Evaluation, the WHO, the Health Effects Institute, the University of Queensland, Australia, Johns Hopkins University, and Harvard University.

The key new findings — India

· Shocking increase in Indian death toll: Air pollutionis the fifth leading cause of death in India, with 620,000premature deaths. This is up from 100,000 in 2000 – a six-fold increase.

· Massive loss in healthy years: Air pollution isthe seventh leading cause behind the loss of about 18 millionhealthy years of lifedue to illness. It comes after indoor air pollution, tobacco smoking, high blood pressure, childhood underweight, low nutritional status, and alcohol use.

· Increase in death toll: Air pollution related diseases cause 3.2 million deaths worldwide every year. This has increased from 800,000, last estimated by GBD in the year 2000 – a whopping 300 per cent increase. About 74 million healthy life years are lost annually.

· Ranked among the top 10 killers in the world: In South Asia, air pollution has been ranked just below blood pressure, tobacco smoking, indoor air pollution, poor intake of fruits and diabetes. Everyone – rich and poor – is vulnerable.

· Two-thirds of the death burden from outdoor air pollution occurs in developing Asia: In 2010, particulate air pollution in Asia led to over 2.1 million premature deaths and 52 million years of healthy life lost, which is two-thirds of the worldwide burden. Killer outdoor air contributes to 1.2 million deaths in East Asia where economic growth and motorization are taking over, and 712,000 deaths in South Asia (including India) which is at the take-off stage. This is much higher than the combined toll of 400,000 in EU 27, Eastern Europe, and Russia.

CSE analysis exposes severe air pollution trends in India

In the wake of the GBD findings, CSE has analysed the latest air quality data available from the Central Pollution Control Board for the year 2010. Of the 180 cities monitored for SO2, NO2 and PM10, only two — Malapuram and Pathanamthitta in Kerala — meet the criteria of low pollution (50% below the standard) for all air pollutants.

Trends in polluted cities

· Close to half the cities are reeling under severe particulate pollution while newer pollutants like nitrogen oxides, ozone and air toxics are worsening the public health challenge.

· Vulnerable urban population: Half of the urban population breathes air laced with particulate pollution that has exceeded the standards. As much as one third of the population is exposed to critical levels of particulate pollution. Smaller and more obscure cities are amongst the most polluted.

· More cities in grip of PM10: About 78% cities (141) exceed the PM10 standard. 90 cities have critical levels of PM10; 26 have the most critical levels, exceeding the standard by over three times. Gwalior, West Singhbhum, Ghaziabad, Raipur, and Delhi are the top five critically polluted cities.

· More cities in grip of NO2: About 10% of the cities (19) exceed the NO2 standard. Of these, about nine have critical levels. Howrah, Barrackpore, Badlapur, Ulhasnagar and Asansol are the top five critically polluted cities.

· State of SO2 pollution: One city — Lote in Maharashtra — exceeds the SO2 standard. Moderate levels of SO2 are noted in Jamshedpur and Saraikela Kharsawan in Jharkhand; Chandrapur, Badlapur, Ulhasnagar, and Pune in Maharashtra; Ghaziabad and Khurja in UP, Dehradun in Uttarakhand and Marmagao and Curchorem in Goa.

· Worsening trend since 2005: The PM10 monitoring network has doubled between 2005 and 2010 from 96 to 180 cities. During this period the cities with low level of pollution have fallen from 10 to 2, while the number of critically polluted cities has increased from 49 to 89. In 2005 about 75% of the cities exceeded the standard. In 2010, 78% are exceeding the standard. NO2 monitoring has expanded from 100 cities in 2005 to 177 in 2010. In 2005 only one city had exceeded the standard for NO2; in 2010, 19 cities have exceeded the standard. The tightening of the national ambient air quality standards has also changed the air quality profile of the cities.

· Stabilisation in some cities: Some mega cities that have initiated some pollution control action in recent years have witnessed either stabilisation or some decrease in the levels.

CSE survey captures angst and worries of Delhiites

CSE has carried out a rapid survey of citizens of Delhi on their perception of air pollution and health and the mitigation strategies. This has exposed overwhelming popular concern about air pollution.

· The majority of respondents — about 64% — have said air pollution is worsening.

· 79% have attributed the problem of air pollution to growing number of vehicles.

· 74% have said that air pollution causes respiratory problems and respiratory symptoms have increased in frequency in the last two months. About 14% say this has increased school absenteeism amongst children

· Close to half have said that their doctors have mentioned air pollution as one of the causal factors.

· Close to one third of the respondents have said that they are aware of the new GBD estimates.

· About 26% know that the World Health Organisation and International Agency on Cancer Research have reclassified diesel emission as a class 1 carcinogen, putting it in the same class as tobacco smoking for its strong link with lung cancer.

· There is strong support for improvement in public transport, walking and cycling. About 47% have supported reduction in car numbers. About 62% have said there should be restraint on diesel cars and SUVs.

Says Anumita Roychowdhury, CSE’s executive director-research and advocacy and head of its air pollution team: “Days of doubts and complacency are over. There is hard evidence now to act urgently to reduce the public health risks to all, particularly children, elderly, and poor. No one can escape toxic air. India will have to take aggressive action to reverse the trend of short-term respiratory and cardiac effects as well as long-term cancer and other metabolic and cellular effects. Remember – toxic effects like cancer surface after a long latency period. Therefore, exposure to air pollution will have to be reduced today to reduce the burden of dieses.”

What should India do:

· Make National Ambient Air Quality Standards legally binding in all regions: The national air quality planning and city action plans need a roadmap for each source of pollution and aggressive measures. Impose penalty on cities if air quality standards are violated.

· Prepare stringent vehicle technology and fuel quality roadmap, encourage in-use vehicle management: It is shocking that the terms of reference of the new committee that has been set up to propose the next Auto Fuel Policy Roadmap does not even include public health in its agenda. Make urgent timelines for Euro V and Euro VI emissions standards. Restrain dieselization.

· Control and cut increase in vehicle numbers by scaling up public transport, non-motorised transport, compact city planning and car restraint measures.

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